A high peak power, compact, eye-safe optical parametric oscillator system

Frank F. Wu; Jeffrey W. Pierce

doi:10.1117/12.842140

17 February 2010 A high peak power, compact, eye-safe optical parametric oscillator system

Frank F. Wu, Jeffrey W. Pierce

Proceedings Volume 7582, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications IX; 75820H (2010) https://doi.org/10.1117/12.842140
Event: SPIE LASE, 2010, San Francisco, California, United States

Abstract

We report the operation of an optical parametric oscillator (OPO) at 1574 nm using KTP, with output peak power of more than 5 megawatts, output pulse energy of up to 30 mJ per pulse, pulse width of less than 6 nanoseconds at full width half maximum (FWHM) and operating frequency of 30 Hz. The OPO was pumped by a diode pumped Nd:YAG Q-switched laser, with pump energy of about 95 mJ and pulse width of approximately 7 ns. The conversion efficiency from 1064 nm Nd:YAG laser to OPO output at 1574 nm is more than 30%. The whole system including the Nd:YAG laser was compactly packed inside a case measuring 15" x 9" x 5.3". The complete OPO system was tested over an operating temperature range of -20 °C to +35 °C and a storage temperature range of -40 °C to +50 °C without significant power or performance variations, which makes it suitable for field operation.

Citation Download Citation

Frank F. Wu and Jeffrey W. Pierce "A high peak power, compact, eye-safe optical parametric oscillator system", Proc. SPIE 7582, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications IX, 75820H (17 February 2010); https://doi.org/10.1117/12.842140

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